<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>2、使用js创建虚拟DOM</title>
</head>
<body>
    <!-- 准备好一个容器 -->
    <div id="test"></div>


    <!-- 引入react核心库 -->
    <script type="text/javascript" src="../js/react.development.js"></script>
    <!-- 引入react-dom,用于支持react操作dom -->
    <script type="text/javascript" src="../js/react-dom.development.js"></script>

    
    <script type="text/javascript">
        //1、创建虚拟dom
        // 语法：const VDOM = React.createElement(标签名，标签属性，标签内容)
        const VDOM = React.createElement('h1',{id:'title'},React.createElement('span',{},'hello-react'))
        //2、渲染虚拟dom到页面
        // 语法ReactDOM.render(虚拟DOM，容器)
        ReactDOM.render(VDOM,document.getElementById('test'))
    </script>
</body>
</html>